Home / 130,018.80-194,596.20-94,378.80

Finding the Fourth Proportional to 130,018.80, 194,596.20 and 94,378.80

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Solution

The fourth proportional to 130,018.80, 194,596.20 and 94,378.80 is: 141,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,018.80 : 194,596.20 = 94,378.80 : x
  2. Step 2: Convert to fraction form
    130,018.80/194,596.20 = 94,378.80/x
  3. Step 3: Cross multiply
    130,018.80x = 194,596.20 × 94,378.80
  4. Step 4: Simplify right side
    130,018.80x = 18,365,755,840.56
  5. Step 5: Solve for x
    x = 18,365,755,840.56/130,018.80
  6. Step 6: Final answer
    x = 141,254.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.